Journal Article food security N762921K75 Nitrogen 1.5°C warming 142M471B3J 27YLU75U4W Carbon Dioxide Fertilizers Grain Proteins Phosphorus Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Soil climate change climate change adaptation climate change impact crop production extreme low yields fertilizer grain protein model ensemble nutrients phosphate rock resource use stoichiometry wheat wheat production